Answer: The answer is D, Coal
hope this helps.
Answer:
Wavelength, 
Explanation:
Given that,
Frequency, 
We need to find the wavelength of a photon of light. The relation between frequency and wavelength is as follows :

So, the wavelength of the light is
.
B. The amount of pressure exerted by a solid is solely dependent on its mass
let me know if i am wrong
Answer:
Explanation:
her is the answer hope this helps
Answer:
not a question but i need points yolo
Explanation: